Bsspar1 s14 chapter 01_introductionto_parameterplanning_v1.1

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BSSPAR1: Chapter 1Introduction to Parameter Planning


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At the end of the module, the participant will be able to:

• Sketch a BSS Managed Object Hierarchy

• Look up the parameters at each level, in the parameter dictionary

• Identify parameter value ranges and default settings

• Find the changes to objects and parameters, that occur with each BSS software release

Module Objectives


Managed Object (MO) Hierarchy


Example from Parameter Dictionary

Parameter name Rxlev Access Min

Abbreviated name rxLevAccessMin

Managed object BTS

Multiplicity 1

DescriptionWith this parameter you define the minimum power level an MS has to receive before it is allowed to access the cell.

Additional information -

Range and step -110...-47 dBm, step 1 dBm

Formula for getting internal value internal_value = (gui_value + 110)

Default value -105 dBm

Default value notes -

Required on Creation optional

Related functions -

Modification Online

Modified -

Related parameters -

Parameter relationships -

Related options -

Related features -

Interfaces•RACApp <-> RAC•Planner <-> RAC•RAC <-> Optimizer•RAC <-> BSC

References •3GPP Reference: 44.018, 45.008

MML Commands EQG, EQO

MML Abbreviated Name RXP

MML Full Name rxlev access min

Segment Level Parameter true

File Based Provisioning supported true


PRFILE, FIFILE and PAFILE parameters

• PRFILE (General Parameter File)– Standard features

– Optional features

– Interrogate with MML command ZWOS

• FIFILE (Feature Information Control File)– Stores optional parameters from the PRFILE

– Interrogate with MML command ZWOI

• PAFILE (BSC Control Parameter File)– GSM-BSC parameters

– GSM Timers

– Interrogate with MML command ZEGO


Features & Activation status

ZWOS command

ZWOI command


GSM-BSC Parameters & Timers

ZEGO command


Viewing parameters Using NetAct CM Editor


Viewing parameterswith MML Commands in BSC

ZEQO Output


Exporting parametersUsing NetAct CM Ops Manager


New objects & parameters


Call Phases (MOC case)

MS BTS BSC

AUTHENTICATION (SDCCH)Phase 2 : MM signalling

CIPHERING MODE (SDCCH)Phase 8 : Ciphering

TMSI REALLOCATION (SDCCH)

SETUP (SDCCH)

Phase 2 : MM signalling

CH. REQUEST (RACH)

IMMEDIATE ASSIGN(AGCH)

SERVICE REQUEST (SDCCH)

Phase 1 : Paging, initial MS

CH.RELEASEPhase 4 : Release

ALERTING & CONNECT (FACCH)

Phase 2 : MM signalling

CONN. ACK. and MEASUREMENTPhase 15 : Conversation

DISCONNECT & RELEASE (FACCH)

Phase 4 : Release

ASSIGNMENT (SDCCH-FACCH)Phase 3 : Basic assignment

• Signalling procedures are used during the 15 phases in a basic call

• Certain parameters influence the setting up and the release of a call

Bsspar1 s14 chapter 01_introductionto_parameterplanning_v1.1

Engineering

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